build: update example dependecies

Author: deandreamatias

example/pubspec.yaml

@@ -11,15 +11,15 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_form_builder: ^9.1.1
+  flutter_form_builder: ^9.3.0
   flutter_localizations:
     sdk: flutter
   form_builder_extra_fields:
     path: ../
-  form_builder_validators: ^10.0.0
+  form_builder_validators: ^10.0.1
 
 dev_dependencies:
-  flutter_lints: ^2.0.3
+  flutter_lints: ^4.0.0
   flutter_test:
     sdk: flutter